European
Southern
Observatory

ESO — Reaching New Heights in Astronomy

Austria Belgium Czech Republic Denmark Finland France Germany Ireland Italy Netherlands Poland Portugal Spain Sweden Switzerland UK Chile

Details - VST ATLAS

Title VST ATLAS
Version 3
Data Provider/P.I. T. Shanks
Data Collection VST-ATLAS
Data Release DR4
Submission Date 2019-05-07
Publication Date 2019-05-20
Description The ESO Public Survey ATLAS with VST is targeting 4500 square degrees of the southern sky in u,g,r,i,z. The band-merged catalogue of this fourth release ranges from the beginning of observations in August 2011 to end July 2017.
Please refer to the full data release description for further information.
Telescope ESO-VST
Instrument OMEGACAM
Technique of Observation IMAGE,OFFSET
Start of Observations 55,790.243 (2011-08-17T19:50:30)
End of Observations 57,966.331 (2017-08-01T21:57:13)
Filter Set/bands u_SDSS g_SDSS r_SDSS i_SDSS z_SDSS
Sky Solid Angle 4,814.277
Number of Records 155778147
Number of Columns 170
Reference 2015MNRAS.451.4238S
Acknowledgment Policy Please include the following acknowledgment in any published material that makes use of this data product: Based on data obtained from the ESO Science Archive Facility with DOI: https://doi.org/10.18727/archive/66
Position Name Description Data Type Data Size UCD Physical Unit
1 IAUNAME IAU Name (not unique) STRING 35 meta.id
2 SOURCEID UID of this merged detection as assigned by merge algorithm INT64 1 meta.id;meta.main
3 CUEVENTID UID of curation event giving rise to this record INT32 1 meta.id
4 FRAMESETID UID of the set of frames that this merged source comes from INT64 1 meta.id
5 RA2000 Celestial Right Ascension DOUBLE 1 pos.eq.ra;meta.main deg
6 DEC2000 Celestial Declination DOUBLE 1 pos.eq.dec;meta.main deg
7 L Galactic longitude DOUBLE 1 pos.galactic.lon deg
8 B Galactic latitude DOUBLE 1 pos.galactic.lat deg
9 LAMBDA SDSS system spherical co-ordinate 1 DOUBLE 1 pos deg
10 ETA SDSS system spherical co-ordinate 2 DOUBLE 1 pos deg
11 PRIORSEC Seam code for a unique (=0) or duplicated (!=0) source INT64 1 meta.code
12 UMGPNT Point source colour U-G (using aperMag3) FLOAT 1 phot.color;em.opt.U;em.opt.B mag
13 UMGPNTERR Error on point source colour U-G FLOAT 1 stat.error;em.opt.U;em.opt.B mag
14 GMRPNT Point source colour G-R (using aperMag3) FLOAT 1 phot.color;em.opt.B;em.opt.R mag
15 GMRPNTERR Error on point source colour G-R FLOAT 1 stat.error;em.opt.B;em.opt.R mag
16 RMIPNT Point source colour R-I (using aperMag3) FLOAT 1 phot.color;em.opt.R;em.opt.I mag
17 RMIPNTERR Error on point source colour R-I FLOAT 1 stat.error;em.opt.R;em.opt.I mag
18 IMZPNT Point source colour I-Z (using aperMag3) FLOAT 1 phot.color;em.opt.I;em.opt.I mag
19 IMZPNTERR Error on point source colour I-Z FLOAT 1 stat.error;em.opt.I;em.opt.I mag
20 UMGEXT Extended source colour U-G (using aperMagNoAperCorr3) FLOAT 1 phot.color;em.opt.U;em.opt.B mag
21 UMGEXTERR Error on extended source colour U-G FLOAT 1 stat.error;em.opt.U;em.opt.B mag
22 GMREXT Extended source colour G-R (using aperMagNoAperCorr3) FLOAT 1 phot.color;em.opt.B;em.opt.R mag
23 GMREXTERR Error on extended source colour G-R FLOAT 1 stat.error;em.opt.B;em.opt.R mag
24 RMIEXT Extended source colour R-I (using aperMagNoAperCorr3) FLOAT 1 phot.color;em.opt.R;em.opt.I mag
25 RMIEXTERR Error on extended source colour R-I FLOAT 1 stat.error;em.opt.R;em.opt.I mag
26 IMZEXT Extended source colour I-Z (using aperMagNoAperCorr3) FLOAT 1 phot.color;em.opt.I;em.opt.I mag
27 IMZEXTERR Error on extended source colour I-Z FLOAT 1 stat.error;em.opt.I;em.opt.I mag
28 MERGEDCLASSSTAT Merged N(0,1) stellarness-of-profile statistic FLOAT 1 stat
29 MERGEDCLASS Class flag,1|0|-1|-2|-3|-9=gal|noise|star|probStar|probGal|saturated INT16 1 meta.code
30 PSTAR Probability that the source is a star FLOAT 1 stat.probability
31 PGALAXY Probability that the source is a galaxy FLOAT 1 stat.probability
32 PNOISE Probability that the source is noise FLOAT 1 stat.probability
33 PSATURATED Probability that the source is saturated FLOAT 1 stat.probability
34 EBV The galactic dust extinction value measured from the Schlegel maps. FLOAT 1 phys.absorption.gal
35 AU The galactic extinction correction in the U band FLOAT 1 phys.absorption.gal mag
36 AG The galactic extinction correction in the G band FLOAT 1 phys.absorption.gal mag
37 AR The galactic extinction correction in the R band FLOAT 1 phys.absorption.gal mag
38 AI The galactic extinction correction in the I band FLOAT 1 phys.absorption.gal mag
39 AZ The galactic extinction correction in the Z band FLOAT 1 phys.absorption.gal mag
40 UMJD The mean Modified Julian Day of each detection DOUBLE 1 time.epoch;em.opt.U day
41 UPETROMAG Extended source U mag (Petrosian) FLOAT 1 phot.mag;em.opt.U mag
42 UPETROMAGERR Error in extended source U mag (Petrosian) FLOAT 1 stat.error;phot.mag;em.opt.U mag
43 UKRONMAG Extended source U mag (Kron) FLOAT 1 phot.mag;em.opt.U mag
44 UKRONMAGERR Error in extended source U mag (Kron) FLOAT 1 stat.error;phot.mag;em.opt.U mag
45 UAPERMAG3 Default point source U aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.U mag
46 UAPERMAG3ERR Error in default point source u aperture corrected mag (2.0 arcsec FLOAT 1 stat.error;phot.mag;em.opt.U mag
47 UAPERMAG4 Point source U aperture corrected mag (2.8 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.U mag
48 UAPERMAG4ERR Error in point source u aperture corrected mag (2.8 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.U mag
49 UAPERMAG6 Point source U aperture corrected mag (5.7 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.U mag
50 UAPERMAG6ERR Error in point source u aperture corrected mag (5.7 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.U mag
51 UAPERMAGNOAPERCORR3 Default extended source U aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.U mag
52 UAPERMAGNOAPERCORR4 Extended source U aperture mag (2.8 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.U mag
53 UAPERMAGNOAPERCORR6 Extended source U aperture mag (5.7 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.U mag
54 UHLCORSMJRADAS Seeing corrected half-light, semi-major axis in U band FLOAT 1 phys.angSize;em.opt.U arcsec
55 UGAUSIG RMS of axes of ellipse fit in U FLOAT 1 src.morph.param;em.opt.U pix
56 UELL 1-b/a, where a/b=semi-major/minor axes in U FLOAT 1 src.ellipticity;em.opt.U
57 UPA ellipse fit celestial orientation in U FLOAT 1 pos.posAng;em.opt.U deg
58 UERRBITS processing warning/error bitwise flags in U INT32 1 meta.code;em.opt.U
59 UAVERAGECONF average confidence in 2 arcsec diam default aperture 3 U FLOAT 1 stat.likelihood;em.opt.U
60 UCLASS discrete image classification flag in U INT16 1 src.class;em.opt.U
61 UCLASSSTAT N(0,1) stellarness-of-profile statistic in U FLOAT 1 stat;em.opt.U
62 UPPERRBITS additional WFAU post-processing error bits in U INT32 1 meta.code;em.opt.U
63 USEQNUM the running number of the U detection INT32 1 meta.number;em.opt.U
64 UXI Offset of U detection from master position (+east/-west) FLOAT 1 pos.eq.ra;arith.diff;em.opt.U arcsec
65 UETA Offset of U detection from master position (+north/-south) FLOAT 1 pos.eq.dec;arith.diff;em.opt.U arcsec
66 GMJD The mean Modified Julian Day of each detection DOUBLE 1 time.epoch;em.opt.B day
67 GPETROMAG Extended source G mag (Petrosian) FLOAT 1 phot.mag;em.opt.B mag
68 GPETROMAGERR Error in extended source G mag (Petrosian) FLOAT 1 stat.error;phot.mag;em.opt.B mag
69 GKRONMAG Extended source G mag (Kron) FLOAT 1 phot.mag;em.opt.B mag
70 GKRONMAGERR Error in extended source G mag (Kron) FLOAT 1 stat.error;phot.mag;em.opt.B mag
71 GAPERMAG3 Default point source G aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.B mag
72 GAPERMAG3ERR Error in default point source g aperture corrected mag (2.0 arcsec FLOAT 1 stat.error;phot.mag;em.opt.B mag
73 GAPERMAG4 Point source G aperture corrected mag (2.8 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.B mag
74 GAPERMAG4ERR Error in point source g aperture corrected mag (2.8 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.B mag
75 GAPERMAG6 Point source G aperture corrected mag (5.7 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.B mag
76 GAPERMAG6ERR Error in point source g aperture corrected mag (5.7 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.B mag
77 GAPERMAGNOAPERCORR3 Default extended source G aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.B mag
78 GAPERMAGNOAPERCORR4 Extended source G aperture mag (2.8 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.B mag
79 GAPERMAGNOAPERCORR6 Extended source G aperture mag (5.7 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.B mag
80 GHLCORSMJRADAS Seeing corrected half-light, semi-major axis in G band FLOAT 1 phys.angSize;em.opt.B arcsec
81 GGAUSIG RMS of axes of ellipse fit in G FLOAT 1 src.morph.param;em.opt.B pix
82 GELL 1-b/a, where a/b=semi-major/minor axes in G FLOAT 1 src.ellipticity;em.opt.B
83 GPA ellipse fit celestial orientation in G FLOAT 1 pos.posAng;em.opt.B deg
84 GERRBITS processing warning/error bitwise flags in G INT32 1 meta.code;em.opt.B
85 GAVERAGECONF average confidence in 2 arcsec diam default aperture 3 G FLOAT 1 stat.likelihood;em.opt.B
86 GCLASS discrete image classification flag in G INT16 1 src.class;em.opt.B
87 GCLASSSTAT N(0,1) stellarness-of-profile statistic in G FLOAT 1 stat;em.opt.B
88 GPPERRBITS additional WFAU post-processing error bits in G INT32 1 meta.code;em.opt.B
89 GSEQNUM the running number of the G detection INT32 1 meta.number;em.opt.B
90 GXI Offset of G detection from master position (+east/-west) FLOAT 1 pos.eq.ra;arith.diff;em.opt.B arcsec
91 GETA Offset of G detection from master position (+north/-south) FLOAT 1 pos.eq.dec;arith.diff;em.opt.B arcsec
92 RMJD The mean Modified Julian Day of each detection DOUBLE 1 time.epoch;em.opt.R day
93 RPETROMAG Extended source R mag (Petrosian) FLOAT 1 phot.mag;em.opt.R mag
94 RPETROMAGERR Error in extended source R mag (Petrosian) FLOAT 1 stat.error;phot.mag;em.opt.R mag
95 RKRONMAG Extended source R mag (Kron) FLOAT 1 phot.mag;em.opt.R mag
96 RKRONMAGERR Error in extended source R mag (Kron) FLOAT 1 stat.error;phot.mag;em.opt.R mag
97 RAPERMAG3 Default point source R aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.R mag
98 RAPERMAG3ERR Error in default point source r aperture corrected mag (2.0 arcsec FLOAT 1 stat.error;phot.mag;em.opt.R mag
99 RAPERMAG4 Point source R aperture corrected mag (2.8 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.R mag
100 RAPERMAG4ERR Error in point source r aperture corrected mag (2.8 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.R mag
101 RAPERMAG6 Point source R aperture corrected mag (5.7 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.R mag
102 RAPERMAG6ERR Error in point source r aperture corrected mag (5.7 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.R mag
103 RAPERMAGNOAPERCORR3 Default extended source R aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.R mag
104 RAPERMAGNOAPERCORR4 Extended source R aperture mag (2.8 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.R mag
105 RAPERMAGNOAPERCORR6 Extended source R aperture mag (5.7 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.R mag
106 RHLCORSMJRADAS Seeing corrected half-light, semi-major axis in R band FLOAT 1 phys.angSize;em.opt.R arcsec
107 RGAUSIG RMS of axes of ellipse fit in R FLOAT 1 src.morph.param;em.opt.R pix
108 RELL 1-b/a, where a/b=semi-major/minor axes in R FLOAT 1 src.ellipticity;em.opt.R
109 RPA ellipse fit celestial orientation in R FLOAT 1 pos.posAng;em.opt.R deg
110 RERRBITS processing warning/error bitwise flags in R INT32 1 meta.code;em.opt.R
111 RAVERAGECONF average confidence in 2 arcsec diam default aperture 3 R FLOAT 1 stat.likelihood;em.opt.R
112 RCLASS discrete image classification flag in R INT16 1 src.class;em.opt.R
113 RCLASSSTAT N(0,1) stellarness-of-profile statistic in R FLOAT 1 stat;em.opt.R
114 RPPERRBITS additional WFAU post-processing error bits in R INT32 1 meta.code;em.opt.R
115 RSEQNUM the running number of the R detection INT32 1 meta.number;em.opt.R
116 RXI Offset of R detection from master position (+east/-west) FLOAT 1 pos.eq.ra;arith.diff;em.opt.R arcsec
117 RETA Offset of R detection from master position (+north/-south) FLOAT 1 pos.eq.dec;arith.diff;em.opt.R arcsec
118 IMJD The mean Modified Julian Day of each detection DOUBLE 1 time.epoch;em.opt.I day
119 IPETROMAG Extended source I mag (Petrosian) FLOAT 1 phot.mag;em.opt.I mag
120 IPETROMAGERR Error in extended source I mag (Petrosian) FLOAT 1 stat.error;phot.mag;em.opt.I mag
121 IKRONMAG Extended source I mag (Kron) FLOAT 1 phot.mag;em.opt.I mag
122 IKRONMAGERR Error in extended source I mag (Kron) FLOAT 1 stat.error;phot.mag;em.opt.I mag
123 IAPERMAG3 Default point source I aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.I mag
124 IAPERMAG3ERR Error in default point source i aperture corrected mag (2.0 arcsec FLOAT 1 stat.error;phot.mag;em.opt.I mag
125 IAPERMAG4 Point source I aperture corrected mag (2.8 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.I mag
126 IAPERMAG4ERR Error in point source i aperture corrected mag (2.8 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.I mag
127 IAPERMAG6 Point source I aperture corrected mag (5.7 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.I mag
128 IAPERMAG6ERR Error in point source i aperture corrected mag (5.7 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.I mag
129 IAPERMAGNOAPERCORR3 Default extended source I aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.I mag
130 IAPERMAGNOAPERCORR4 Extended source I aperture mag (2.8 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.I mag
131 IAPERMAGNOAPERCORR6 Extended source I aperture mag (5.7 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.I mag
132 IHLCORSMJRADAS Seeing corrected half-light, semi-major axis in I band FLOAT 1 phys.angSize;em.opt.I arcsec
133 IGAUSIG RMS of axes of ellipse fit in I FLOAT 1 src.morph.param;em.opt.I pix
134 IELL 1-b/a, where a/b=semi-major/minor axes in I FLOAT 1 src.ellipticity;em.opt.I
135 IPA ellipse fit celestial orientation in I FLOAT 1 pos.posAng;em.opt.I deg
136 IERRBITS processing warning/error bitwise flags in I INT32 1 meta.code;em.opt.I
137 IAVERAGECONF average confidence in 2 arcsec diam default aperture 3 I FLOAT 1 stat.likelihood;em.opt.I
138 ICLASS discrete image classification flag in I INT16 1 src.class;em.opt.I
139 ICLASSSTAT N(0,1) stellarness-of-profile statistic in I FLOAT 1 stat;em.opt.I
140 IPPERRBITS additional WFAU post-processing error bits in I INT32 1 meta.code;em.opt.I
141 ISEQNUM the running number of the I detection INT32 1 meta.number;em.opt.I
142 IXI Offset of I detection from master position (+east/-west) FLOAT 1 pos.eq.ra;arith.diff;em.opt.I arcsec
143 IETA Offset of I detection from master position (+north/-south) FLOAT 1 pos.eq.dec;arith.diff;em.opt.I arcsec
144 ZMJD The mean Modified Julian Day of each detection DOUBLE 1 time.epoch;em.opt.I day
145 ZPETROMAG Extended source Z mag (Petrosian) FLOAT 1 phot.mag;em.opt.I mag
146 ZPETROMAGERR Error in extended source Z mag (Petrosian) FLOAT 1 stat.error;phot.mag;em.opt.I mag
147 ZKRONMAG Extended source Z mag (Kron) FLOAT 1 phot.mag;em.opt.I mag
148 ZKRONMAGERR Error in extended source Z mag (Kron) FLOAT 1 stat.error;phot.mag;em.opt.I mag
149 ZAPERMAG3 Default point source Z aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.I mag
150 ZAPERMAG3ERR Error in default point source z aperture corrected mag (2.0 arcsec FLOAT 1 stat.error;phot.mag;em.opt.I mag
151 ZAPERMAG4 Point source Z aperture corrected mag (2.8 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.I mag
152 ZAPERMAG4ERR Error in point source z aperture corrected mag (2.8 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.I mag
153 ZAPERMAG6 Point source Z aperture corrected mag (5.7 arcsec aperture diam) FLOAT 1 phot.mag;em.opt.I mag
154 ZAPERMAG6ERR Error in point source z aperture corrected mag (5.7 arcsec aperture FLOAT 1 stat.error;phot.mag;em.opt.I mag
155 ZAPERMAGNOAPERCORR3 Default extended source Z aperture corrected mag (2.0 arcsec diam) FLOAT 1 phot.mag;em.opt.I mag
156 ZAPERMAGNOAPERCORR4 Extended source Z aperture mag (2.8 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.I mag
157 ZAPERMAGNOAPERCORR6 Extended source Z aperture mag (5.7 arcsec aperture diameter) FLOAT 1 phot.mag;em.opt.I mag
158 ZHLCORSMJRADAS Seeing corrected half-light, semi-major axis in Z band FLOAT 1 phys.angSize;em.opt.I arcsec
159 ZGAUSIG RMS of axes of ellipse fit in Z FLOAT 1 src.morph.param;em.opt.I pix
160 ZELL 1-b/a, where a/b=semi-major/minor axes in Z FLOAT 1 src.ellipticity;em.opt.I
161 ZPA ellipse fit celestial orientation in Z FLOAT 1 pos.posAng;em.opt.I deg
162 ZERRBITS processing warning/error bitwise flags in Z INT32 1 meta.code;em.opt.I
163 ZAVERAGECONF average confidence in 2 arcsec diam default aperture 3 Z FLOAT 1 stat.likelihood;em.opt.I
164 ZCLASS discrete image classification flag in Z INT16 1 src.class;em.opt.I
165 ZCLASSSTAT N(0,1) stellarness-of-profile statistic in Z FLOAT 1 stat;em.opt.I
166 ZPPERRBITS additional WFAU post-processing error bits in Z INT32 1 meta.code;em.opt.I
167 ZSEQNUM the running number of the Z detection INT32 1 meta.number;em.opt.I
168 ZXI Offset of Z detection from master position (+east/-west) FLOAT 1 pos.eq.ra;arith.diff;em.opt.I arcsec
169 ZETA Offset of Z detection from master position (+north/-south) FLOAT 1 pos.eq.dec;arith.diff;em.opt.I arcsec
170 PRIMARY_SOURCE Primary source 1; secondary source 0 INT8 1 meta.code